1.1 What is Chemistry?

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http://www.ck12.org Chapter 27. Glossary


27.21 V


valence electrons
Electrons in the outermost shell (highest principal quantum number) of an atom and are those involved in
chemical bonding.

valence
Described by associating atomic volume with atomic mass.

van’t Hoff Factor
Describes the number of moles of particles that dissociate from an ionic solid.

vapor pressure
A measure of the force exerted by a gas above a liquid in a sealed container.

viscosity
A measure of the fluid’s resistance to flow –the higher the viscosity, the slower the flow of the material.

voltag
An electromotive force or potential difference.

volume
Measure of the space occupied by a sample of matter.

VSEPR


The basic premise of the valence-shell electron-pair repulsion (VSEPR) model is that electron pairs will align
themselves as far apart from one another as possible.
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